Assorted updates

[brandonsturgeon]

This PR:

• ✅ Adds a way to change what map the server starts with (with GH action bindings)
• ✅ Provides a new mechanism for mounting arbitrary files to the test server's filesystem (this means dll support!)
  • Addresses Add a way to mount files/dirs to the data/ directory #6
• ✅ Supports a new parameter that allows users to add/modify the server's startup parameters (injection!)
• ✅ Covers almost the project with LuaLS typedocs
• ✅ Creates the initial set of self-tests
• ✅ Adds expect.deepEqual( tbl1, tbl2 )
  • Addresses add expect functions for matching table values #44
• ✨ Fully rewrites the Runner code
  • Addresses Rewrite the Runner file #24
• ✨ Improves the Expected 'A' to equal 'B' output for strings (wraps both values in quotation marks now)
• 🛠️ Fixes the tolerance parameter of aboutEqual not working (?)
• ✅ Adds a number of assert calls through the expectations, giving user-friendly error messages if they're misused
• 🛠️ Fixed a grammatical error with .to.beAn / notTo.beAn
• 🧹 Replaced remaining uses of StartWith with StartsWith
• ✅ Added basic print statements when a file in tests/ couldn't be loaded as a GLuaTest test group
• ✅ Added a coroutine = true option to test cases, which will run them as a coroutine
• 🧹 Rewrote the Stubmaker to make it less poopy

TODO:

• Add a version print on test run
• A link + instructions to the GLuaTestGPT, and instructions for how to use LLM_PROMPT
• More self-tests
• Documentation for the new Github Actions-focused features